CN208347684U - The transmission device of basement rock drilling tool under polar ice - Google Patents
The transmission device of basement rock drilling tool under polar ice Download PDFInfo
- Publication number
- CN208347684U CN208347684U CN201820920051.XU CN201820920051U CN208347684U CN 208347684 U CN208347684 U CN 208347684U CN 201820920051 U CN201820920051 U CN 201820920051U CN 208347684 U CN208347684 U CN 208347684U
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- CN
- China
- Prior art keywords
- transmission shaft
- shaft
- drilling tool
- central axis
- transmission
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of transmission devices of basement rock drilling tool under polar ice, it include motor, transmission shaft, hollow shaft and central axis, wherein motor is connected with transmission shaft by output shaft and transmission shaft is driven to be rotated, transmission shaft is connected by deceleration mechanism with hollow shaft, the tail end of transmission shaft is connected with the front end of central axis, hollow shaft sleeve is located on transmission shaft and central axis, hollow shaft links with central axis under the drive of transmission shaft, the drill bit of the tail end connection drilling tool of hollow shaft and the rotation for driving drill bit, the water pump of the tail end connection drilling tool of central axis and the work for controlling water pump.The utility model has the advantages that the torque that transmission shaft transmits can be distributed on multiple balls, the torque that each ball is born greatly reduces, and ball stress is good, so that the transmission device service life increases substantially, can bear large torque.
Description
Technical field
The utility model relates to a kind of transmission device, in particular to the transmission device of basement rock drilling tool under a kind of polar ice.
Background technique
Currently, base rock boring is using armored cable formula motor machine drilling tool under polar ice.Armored cable formula motor machine
Drilling tool has that structure is simple, energy consumption is small, the round-trip activity duration is short, logistics support requires low and to adapt to adverse circumstances ability strong etc. excellent
Point is the drilling tool that can effectively drill through frozen soil and basement rock.The deceleration transmission of international armored cable formula motor machine drilling tool fills
It sets actuation types and is generally harmonic drive or Planetary Gear Transmission.Fatigue failure easily occurs for the flexbile gear of harmonic reduction transmission device,
The load that spring bearing is born is excessively high, and the solid lubricant film friction durability on the speed reduction gearing flank of tooth is short；Planetary gear
During engagement, fatigue rupture easily occurs each pair of gear teeth for mutual impact vibration, and torque is excessively high to will also result in deceleration transmission dress
The destruction set, service life are relatively short.The reliability of previous armored cable formula motor machine drilling tool speed reduction gearing is poor.
Summary of the invention
Basement rock drilling tool under a kind of polar ice provided purpose of the utility model is to solve above-mentioned problems
Transmission device.
The transmission device of basement rock drilling tool includes motor, transmission shaft, hollow shaft under polar ice provided by the utility model
And central axis, wherein motor is connected with transmission shaft by output shaft and transmission shaft is driven to be rotated, and transmission shaft passes through deceleration
Mechanism is connected with hollow shaft, and the tail end of transmission shaft is connected with the front end of central axis, and hollow shaft sleeve is located at transmission shaft and center
On axis, hollow shaft links with central axis under the drive of transmission shaft, and the drill bit of the tail end connection drilling tool of hollow shaft simultaneously drives
The rotation of drill bit, the water pump of the tail end connection drilling tool of central axis and the work for controlling water pump.
Deceleration mechanism is by connector sleeve and several ball sets at being connected between transmission shaft and hollow shaft by connector sleeve
It connects, connector sleeve is plugged in the inner cavity of shell and is set on transmission shaft, and transmission shaft is arranged on the axial wall at connector sleeve position and opens up
There is sliding groove, transmission shaft is corresponded on the internal chamber wall of shell open up and also offer sliding groove at the position of sliding groove, connector sleeve is arranged
Card slot is offered on the side wall at transmission shaft position, several balls are embedded in card slot, several balls also simultaneously with transmission shaft side wall
On sliding groove and housing cavity wall on sliding groove be meshed.
It is provided with needle bearing between connector sleeve outer wall and inner walls, is arranged between connector sleeve inner wall and transmission shaft outer wall
There is deep groove ball bearing.
Sliding groove on case inside wall is space flank profil track curved surface, and flank profil equation of locus is
Wherein r=R+r'sin θ, r are shell inner cylinder face radius, and A is that peak value is fluctuated in sliding groove track in shell, and t is sliding in shell
Dynamic grooved rail mark number period of waves, R are ball center circumferential direction radius of turn, and r ' is ball bearing radius, and θ is sliding groove tooth in shell
The wide contact angle with ball.
Working principle of the utility model is:
Transmission device provided by the utility model drives transmission shaft rotation, one side of transmission shaft by motor input power
Power is transmitted feed pump by central axis by face, meanwhile, transmission shaft connects hollow shaft by connector sleeve and the drill bit of drilling tool is driven to send out
Raw rotation, to realize that transmission device transmits revolving speed and torque to drill bit.
The utility model has the beneficial effects that
Transmission device provided by the utility model is multi-tooth meshing transmission, can be distributed to the torque that transmission shaft transmits more
On a ball, the torque that each ball is born greatly reduces, and ball stress is good so that the transmission device service life increase substantially,
It can bear large torque.Have at more than half ball and meshing state, this speed reduction gearing strong shock resistance, bearing capacity
It is high.Also have that compact-sized, light-weight, small in size, stable drive, transmission efficiency are high, greasy property is good and sealing means are simple
The advantages of, reliability is higher.
Detailed description of the invention
Fig. 1 is transmission device overall structure diagram described in the utility model.
1, motor 2, transmission shaft 3, hollow shaft 4, central axis 5, output shaft
6, connector sleeve 7, ball 8, sliding groove 9, card slot 10, needle bearing
11, deep groove ball bearing 12, shell.
Specific embodiment
It please refers to shown in Fig. 1:
Under polar ice provided by the utility model the transmission device of basement rock drilling tool include motor 1, it is transmission shaft 2, hollow
Axis 3 and central axis 4, wherein motor 1 is connected with transmission shaft 2 by output shaft 5 and transmission shaft 2 is driven to be rotated, transmission shaft 2
It is connected by deceleration mechanism with hollow shaft 3, the tail end of transmission shaft 2 is connected with the front end of central axis 4, and hollow shaft 3 is set in
On transmission shaft 2 and central axis 4, hollow shaft 3 links with central axis 4 under the drive of transmission shaft 2, and the tail end of hollow shaft 3 connects
It connects the drill bit of drilling tool and drives the rotation of drill bit, the water pump of the tail end connection drilling tool of central axis 4 and the work for controlling water pump.
Deceleration mechanism is made of connector sleeve 6 and several balls 7, between transmission shaft 2 and hollow shaft 3 by connector sleeve 6 into
Row connection, connector sleeve 6 are plugged in the inner cavity of shell 12 and are set on transmission shaft 2, and transmission shaft 2 is arranged 6 position of connector sleeve
Sliding groove 8 is offered on axial wall, transmission shaft 2 is corresponded on the internal chamber wall of shell 12 opens up and also offer cunning at the position of sliding groove 8
Dynamic slot 8, connector sleeve 6, which is arranged on the side wall at 2 position of transmission shaft, offers card slot 9, and several balls 7 are embedded in card slot 9, several rollings
Pearl 9 is also meshed with the sliding groove 8 on 12 internal chamber wall of sliding groove 8 and shell on 2 side wall of transmission shaft simultaneously.
Needle bearing 10,6 inner wall of connector sleeve and 2 outer wall of transmission shaft are provided between 12 inner wall of 6 outer wall of connector sleeve and shell
Between be provided with deep groove ball bearing 11.
Sliding groove 8 on 12 inner sidewall of shell is space flank profil track curved surface, and flank profil equation of locus isWherein r=R+r'sin θ, r are 12 inner cylinder face radius of shell, and A is sliding groove in shell 12
Peak value is fluctuated in 8 tracks, and t is 8 track number period of waves of sliding groove in shell 12, and R is 7 center circumferential direction radius of turn of ball,
R ' is 7 radius of ball, and θ is the contact angle of sliding groove 8 flank profil and ball 7 in shell 12.
Working principle of the utility model is:
Transmission device provided by the utility model drives transmission shaft 2 to rotate, transmission shaft 2 one by 1 input power of motor
Power is transmitted feed pump by central axis 4 by aspect, meanwhile, transmission shaft 2 connects hollow shaft 3 by connector sleeve 6 and drives drilling tool
Drill bit rotates, to realize that transmission device transmits revolving speed and torque to drill bit.
Claims (3)
1. the transmission device of basement rock drilling tool under a kind of polar ice, it is characterised in that: include motor, transmission shaft, hollow shaft and
Central axis, wherein motor is connected with transmission shaft by output shaft and transmission shaft is driven to be rotated, and transmission shaft passes through speed reducer
Structure is connected with hollow shaft, and the tail end of transmission shaft is connected with the front end of central axis, and hollow shaft sleeve is located at transmission shaft and central axis
On, hollow shaft links with central axis under the drive of transmission shaft, and the drill bit of the tail end connection drilling tool of hollow shaft simultaneously drives brill
The rotation of head, the water pump of the tail end connection drilling tool of central axis and the work for controlling water pump.
2. the transmission device of basement rock drilling tool under a kind of polar ice according to claim 1, it is characterised in that: the deceleration
Mechanism is by connector sleeve and several ball sets at being attached between transmission shaft and hollow shaft by connector sleeve, connector sleeve plugs
It in the inner cavity of shell and is set on transmission shaft, transmission shaft is arranged on the axial wall at connector sleeve position and offers sliding groove, shell
Internal chamber wall on correspond to transmission shaft and open up and also offer sliding groove at the position of sliding groove, connector sleeve is arranged the side at transmission shaft position
Card slot is offered on wall, several balls are embedded in card slot, several balls also simultaneously with the sliding groove and shell on transmission shaft side wall
Sliding groove in internal cavity wall is meshed.
3. the transmission device of basement rock drilling tool under a kind of polar ice according to claim 2, it is characterised in that: the connection
It is provided with needle bearing between set outer wall and inner walls, deep-groove ball axis is provided between connector sleeve inner wall and transmission shaft outer wall
It holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820920051.XU CN208347684U (en) | 2018-06-14 | 2018-06-14 | The transmission device of basement rock drilling tool under polar ice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820920051.XU CN208347684U (en) | 2018-06-14 | 2018-06-14 | The transmission device of basement rock drilling tool under polar ice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208347684U true CN208347684U (en) | 2019-01-08 |
Family
ID=64883293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820920051.XU Expired - Fee Related CN208347684U (en) | 2018-06-14 | 2018-06-14 | The transmission device of basement rock drilling tool under polar ice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208347684U (en) |
-
2018
- 2018-06-14 CN CN201820920051.XU patent/CN208347684U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20190614 |